Sxx Command
From GeoGebra Manual
Revision as of 21:31, 22 August 2015 by Noel Lambert (talk | contribs)
- Sxx[ <List of Numbers> ]
- Calculates the statistic \sum x^2 - \frac{(\sum x)^2}{n}.
- Sxx[ <List of Points> ]
- Calculates the statistic \sum x^2 - \frac{(\sum x)^2}{n} using the x-coordinates of the given points.